strncpy - C string.h

C examples for string.h:strncpy

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Type

function

From 

<cstring> 
<string.h>

Description

Copy the first num characters of source to destination.

Prototype 

char * strncpy ( char * destination, const char * source, size_t num );

Parameters

Parameter Description
destination Pointer to the destination array where the content is to be copied.
source C string to be copied.
num Maximum number of characters to be copied from source.

Return Value

destination is returned.

Demo Code

#include <stdio.h>
#include <string.h>

int main ()//  w  ww .ja va 2  s  .  com
{
  char str1[]= "To be or not to be";
  char str2[40];
  char str3[40];

  /* copy to sized buffer (overflow safe): */
  strncpy ( str2, str1, sizeof(str2) );

  /* partial copy (only 5 chars): */
  strncpy ( str3, str2, 5 );
  str3[5] = '\0';   /* null character manually added */

  puts (str1);
  puts (str2);
  puts (str3);

  return 0;
}

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